Patents by Inventor Kohei Murakami
Kohei Murakami has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240101761Abstract: The purpose of the present disclosure is to provide a method for manufacturing a polyimide (PI) precursor resin composition that has excellent resolution performance, a broad range of available exposure and good handling properties. Provided is a method for manufacturing a PI precursor resin composition that comprises a PI precursor resin, an exposure light absorber, a photopolymerization initiator and a solvent. The PI precursor resin is selected from among materials having an absorbance parameter Xp for a light species within a range of 0.001-0.20, the exposure light absorber is selected from among materials having an absorbance parameter Xt for the light species within a range of 0.01-0.05, and the photopolymerization initiator is selected from among materials having an absorbance parameter Xr for the light species within a range of 0-0.04.Type: ApplicationFiled: January 12, 2022Publication date: March 28, 2024Applicant: ASAHI KASEI KABUSHIKI KAISHAInventors: Kohei MURAKAMI, Tomohito OGURA
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Patent number: 11919371Abstract: A window stabilization mechanism includes a rail provided on a first cabin frame provided on one side of a window, and has a first end and a second end opposite to the first end in the lengthwise direction of the rail. A sliding member is provided on a windowpane and is configured to slide on the rail. The sliding member is located at a first end when the window is opened and at a second end when the window is closed. A lock mechanism is configured to lock the windowpane to the first cabin frame when the window is closed. A window support member is configured to abut on the windowpane when the window is closed, and to press the windowpane in an oblique direction from the windowpane toward the rail and from the second end toward the first end when the windowpane is locked by a lock mechanism.Type: GrantFiled: March 31, 2021Date of Patent: March 5, 2024Assignee: KUBOTA CORPORATIONInventors: Junichi Murakami, Yusuke Hada, Kohei Masui
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Publication number: 20210294213Abstract: Provided are a negative photosensitive resin composition and a method for forming a cured relief pattern using the same with which a high chemical resistance and resolution can be obtained and in which the occurrence of voids in the interface of a Cu layer contacting a resin layer after high-temperature storage evaluation can be suppressed. Provided is a negative photosensitive resin composition including (A) a polyimide precursor represented by general formula (1) below; (B) a compound having at least one selected from a urethane bond and a urea bond; and (C) a photopolymerization initiator. In the formula, X1, Y1, n1, R1, and R2 are each as defined in the description of the present application.Type: ApplicationFiled: July 18, 2019Publication date: September 23, 2021Applicant: ASAHI KASEI KABUSHIKI KAISHAInventors: Tatsuya HIRATA, Kohei MURAKAMI, Takanobu FUJIOKA
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Patent number: 10819338Abstract: A sensor includes a housing and an antenna element. The first wall and the second wall of the housing are facing each other at a distance from each other. The third wall and the fourth wall connect the first wall and the second wall and are facing at a distance from each other and have a larger area than the first wall and the second wall respectively. The housing has an internal space surrounded by the first wall, the second wall, the third wall, and the fourth wall. The antenna element is arranged in the internal space of the housing and receives identification information of an external actuator for detecting opening/closing of a door. The antenna element is arranged at a position, which is closer to the first wall than the second wall and includes a substantially center in a direction connecting the third wall and the fourth wall.Type: GrantFiled: January 18, 2019Date of Patent: October 27, 2020Assignee: OMRON CorporationInventors: Kohei Murakami, Kazuhiro Kudo, Keishi Yayama, Toshiaki Ichiki
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Publication number: 20190288685Abstract: A sensor includes a housing and an antenna element. The first wall and the second wall of the housing are facing each other at a distance from each other. The third wall and the fourth wall connect the first wall and the second wall and are facing at a distance from each other and have a larger area than the first wall and the second wall respectively. The housing has an internal space surrounded by the first wall, the second wall, the third wall, and the fourth wall. The antenna element is arranged in the internal space of the housing and receives identification information of an external actuator for detecting opening/closing of a door. The antenna element is arranged at a position, which is closer to the first wall than the second wall and includes a substantially center in a direction connecting the third wall and the fourth wall.Type: ApplicationFiled: January 18, 2019Publication date: September 19, 2019Applicant: OMRON CorporationInventors: Kohei MURAKAMI, Kazuhiro KUDO, Keishi YAYAMA, Toshiaki ICHIKI
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Patent number: 10067116Abstract: Disclosed is a cell analyzer comprising: a measuring device that includes a collecting section configured to collect target cells in a specimen with a filter, and is configured to measure the target cells collected by the collecting section; and a data processing device configured to analyze the target cells based on measurement data obtained by the measuring device, wherein the cell analyzer is operable in a first mode of measuring a clinical specimen collected from a subject and a second mode of measuring a quality control specimen containing particles having size capturable by the filter; and the data processing device is programmed to acquire an amount of particles collected by the collecting section based on measurement data of the quality control specimen obtained in the second mode, and output an alarm when the amount of particles meets a predetermined condition.Type: GrantFiled: March 27, 2014Date of Patent: September 4, 2018Assignee: SYSMEX CORPORATIONInventors: Ryuichiro Ebi, Emi Kanemura, Kohei Murakami
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Patent number: 10049842Abstract: Provided is a relay unit that can sufficiently suppress defects that are caused by an insulation failure of insulating member that insulates and separates a load power supply from a device power supply, and a method for controlling a relay circuit. A control unit includes an insulating member diagnosis unit that performs diagnosis of an insulation failure of the capacitor.Type: GrantFiled: October 9, 2015Date of Patent: August 14, 2018Assignee: OMRON CorporationInventors: Tetsuya Fukumoto, Toshiyuki Higuchi, Kohei Murakami, Satoshi Fujii
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Patent number: 9997316Abstract: The reliability of testing a normally closed contact in a relay unit may involve the following. While the load is de-energized, sending a test signal to a normally closed contact (b1, b2) and detecting the state of the returning test signal sent. Resending a test signal when a detection result does not satisfy a predetermined criteria, and re-detecting the state of the returning test signal resent. The state of the returning test signal resent may be assessed as normal when the re-detection result satisfies the predetermined criteria.Type: GrantFiled: October 13, 2015Date of Patent: June 12, 2018Assignee: OMRON CorporationInventors: Tetsuya Fukumoto, Toshiyuki Higuchi, Kohei Murakami, Keishi Yayama, Satoshi Fujii
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Patent number: 9953785Abstract: The reliability of testing a normally closed contact in a relay unit may involve the following. While the load is de-energized, sending a test signal to a normally closed contact (b1, b2) and detecting the state of the returning test signal sent. Resending a test signal when a detection result does not satisfy a predetermined criteria, and re-detecting the state of the returning test signal resent. The state of the returning test signal resent may be assessed as normal when the re-detection result satisfies the predetermined criteria.Type: GrantFiled: October 13, 2015Date of Patent: April 24, 2018Assignee: OMRON CorporationInventors: Tetsuya Fukumoto, Toshiyuki Higuchi, Kohei Murakami, Keishi Yayama, Satoshi Fujii
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Patent number: 9939491Abstract: The reliability of testing a normally closed contact in a relay unit may involve the following. Sending a first test signal to the first normally closed contact and detecting a return state of the first test signal sent, sending a second test signal different from the first test signal to the second normally closed contact and detecting a return state of the second test signal sent; and assessing an abnormality when at least one of the detection result for the return state of the first test signal does not satisfy a first predetermined criteria, and the detection result of the return state of the second test signal does not satisfy a second predetermined criteria different from the first predetermined criteria.Type: GrantFiled: October 14, 2015Date of Patent: April 10, 2018Assignee: OMRON CorporationInventors: Tetsuya Fukumoto, Toshiyuki Higuchi, Kohei Murakami, Satoshi Fujii
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Publication number: 20160225561Abstract: The reliability of testing a normally closed contact in a relay unit may involve the following. While the load is de-energized, sending a test signal to a normally closed contact (b1, b2) and detecting the state of the returning test signal sent. Resending a test signal when a detection result does not satisfy a predetermined criteria, and re-detecting the state of the returning test signal resent. The state of the returning test signal resent may be assessed as normal when the re-detection result satisfies the predetermined criteria.Type: ApplicationFiled: October 13, 2015Publication date: August 4, 2016Inventors: Tetsuya FUKUMOTO, Toshiyuki HIGUCHI, Kohei MURAKAMI, Keishi YAYAMA, Satoshi FUJII
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Publication number: 20160225560Abstract: Provided is a relay unit that can sufficiently suppress defects that are caused by an insulation failure of insulating member that insulates and separates a load power supply from a device power supply, and a method for controlling a relay circuit. A control unit includes an insulating member diagnosis unit that performs diagnosis of an insulation failure of the capacitor.Type: ApplicationFiled: October 9, 2015Publication date: August 4, 2016Inventors: Tetsuya FUKUMOTO, Toshiyuki HIGUCHI, Kohei MURAKAMI, Satoshi FUJII
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Publication number: 20160223614Abstract: The reliability of testing a normally closed contact in a relay unit may involve the following. Sending a first test signal to the first normally closed contact and detecting a return state of the first test signal sent, sending a second test signal different from the first test signal to the second normally closed contact and detecting a return state of the second test signal sent; and assessing an abnormality when at least one of the detection result for the return state of the first test signal does not satisfy a first predetermined criteria, and the detection result of the return state of the second test signal does not satisfy a second predetermined criteria different from the first predetermined criteria.Type: ApplicationFiled: October 14, 2015Publication date: August 4, 2016Inventors: Tetsuya FUKUMOTO, Toshiyuki HIGUCHI, Kohei MURAKAMI, Satoshi FUJII
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Publication number: 20140297200Abstract: Disclosed is a cell analyzer comprising: a measuring device that includes a collecting section configured to collect target cells in a specimen with a filter, and is configured to measure the target cells collected by the collecting section; and a data processing device configured to analyze the target cells based on measurement data obtained by the measuring device, wherein the cell analyzer is operable in a first mode of measuring a clinical specimen collected from a subject and a second mode of measuring a quality control specimen containing particles having size capturable by the filter; and the data processing device is programmed to acquire an amount of particles collected by the collecting section based on measurement data of the quality control specimen obtained in the second mode, and output an alarm when the amount of particles meets a predetermined condition.Type: ApplicationFiled: March 27, 2014Publication date: October 2, 2014Applicant: Sysmex CorporationInventors: Ryuichiro EBI, Emi KANEMURA, Kohei MURAKAMI
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Patent number: 8587916Abstract: A long-life lightning protection fastener or the like to prevent explosion for aircrafts at low cost is provided, the fastener having a light weight, ensuring sufficient lightning protection, and having extremely less failures and high reliability. A ring-shaped ring member 40A made of resin is mounted on a collar 26. This ring member 40A is interposed between a member 22 and the collar 26 and is in intimate contact with both of the member 22 and the collar 26, thereby sealing an interface with the member 22 for sealing and preventing the occurrence of an arc at an outer perimeter edge of the collar 26.Type: GrantFiled: March 14, 2012Date of Patent: November 19, 2013Assignee: Mitsubishi Aircraft CorporationInventors: Hideo Yamakoshi, Yuichiro Kamino, Yuji Asahara, Yasunori Watanabe, Atsuhiro Iyomasa, Toru Hashigami, Kohei Murakami, Tomonori Okumura
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Publication number: 20120236457Abstract: A long-life lightning protection fastener or the like to prevent explosion for aircrafts at low cost is provided, the fastener having a light weight, ensuring sufficient lightning protection, and having extremely less failures and high reliability. A ring-shaped ring member 40A made of resin is mounted on a collar 26. This ring member 40A is interposed between a member 22 and the collar 26 and is in intimate contact with both of the member 22 and the collar 26, thereby sealing an interface with the member 22 for sealing and preventing the occurrence of an arc at an outer perimeter edge of the collar 26.Type: ApplicationFiled: March 14, 2012Publication date: September 20, 2012Applicant: MITSUBISHI AIRCRAFT CORPORATIONInventors: Hideo YAMAKOSHI, Yuichiro KAMINO, Yuji ASAHARA, Yasunori WATANABE, Atsuhiro IYOMASA, Toru HASHIGAMI, Kohei MURAKAMI, Tomonori OKUMURA
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Patent number: 7429098Abstract: A liquid droplet discharge unit for discharging liquid droplets from nozzles is disclosed, and this liquid droplet discharge unit is constructed in such a way that plural nozzles are communicated with plural pressure chambers in which liquid is filled, the volumes of the respective pressure chambers are changed by plural drive elements to cause liquid droplets to be discharged from the respective nozzles. Further, one heat pipe, which is in thermal communication with the drive elements and moves heat to one end in the axial direction, is provided. A liquid droplet discharge apparatus equipped with such a liquid droplet discharge unit is also disclosed.Type: GrantFiled: November 18, 2005Date of Patent: September 30, 2008Assignee: Fuji Xerox Co., Ltd.Inventors: Kohei Murakami, Kishiharu Itazu, Masashi Hiratsuka, Atsushi Murakami, Katsushi Amarume, Naoki Morita
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Patent number: 7387376Abstract: A liquid droplet ejecting unit is disclosed wherein plural liquid droplet ejecting sub-units are provided which are arrayed in a direction substantially perpendicular to a conveying direction of a recording medium. Further, plural valves are provided which connect the respective liquid droplet ejecting sub-units and a liquid feed path. The valves comprise a valve body having an inlet port and an outlet port, and a floating member. The floating member is larger in radius than the inlet port and smaller in radius than the outlet port and has a lower specific gravity that the liquid. Thus, the floating member is floated in the liquid in the valve body and capable of closing the inlet port. An image forming apparatus using such a liquid droplet ejecting unit is also disclosed.Type: GrantFiled: September 7, 2005Date of Patent: June 17, 2008Assignee: Fuji Xerox Co., Ltd.Inventors: Atsushi Murakami, Kishiharu Itazu, Kohei Murakami, Masashi Hiratsuka, Katsushi Amarume
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Patent number: 7192209Abstract: At a printing unit which structures a printing apparatus, a portion of a transport path, which portion includes a rear portion of an upper guide path portion of a printing guide path, a sub-scanning guide path, a paper ejection buffer and a front portion of a branching guide path, is assembled to an upper face side of a sliding panel together with a printing section and a separation and ejection roller which are assembled to the upper face side of the sliding panel. The sliding panel is attached to a casing of the printing unit with a pair of guide rails interposed therebetween at a front end portion and a rear end portion. By sliding of this sliding panel, the portion of the transport path can be slid along a direction substantially intersecting a direction in which the transport path extends.Type: GrantFiled: September 21, 2004Date of Patent: March 20, 2007Assignee: Fuji Xerox Co., Ltd.Inventors: Yasuhiro Otsuka, Shinji Seto, Kohei Murakami, Fuminori Takizawa
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Publication number: 20060284914Abstract: A liquid droplet discharge unit for discharging liquid droplets from nozzles is disclosed, and this liquid droplet discharge unit is constructed in such a way that plural nozzles are communicated with plural pressure chambers in which liquid is filled, the volumes of the respective pressure chambers are changed by plural drive elements to cause liquid droplets to be discharged from the respective nozzles. Further, one heat pipe, which is in thermal communication with the drive elements and moves heat to one end in the axial direction, is provided. A liquid droplet discharge apparatus equipped with such a liquid droplet discharge unit is also disclosed.Type: ApplicationFiled: November 18, 2005Publication date: December 21, 2006Inventors: Kohei Murakami, Kishiharu Itazu, Masashi Hiratsuka, Atsushi Murakami, Katsushi Amarume, Naoki Morita